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15 June 2010 Spontaneous symmetry breaking as a resource for noncritically squeezed light
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In the last years we have proposed the use of the mechanism of spontaneous symmetry breaking with the purpose of generating perfect quadrature squeezing. Here we review previous work dealing with spatial (translational and rotational) symmetries, both on optical parametric oscillators and four-wave mixing cavities, as well as present new results. We then extend the phenomenon to the polarization state of the signal field, hence introducing spontaneous polarization symmetry breaking. Finally we propose a Jaynes-Cummings model in which the phenomenon can be investigated at the singlephoton- pair level in a non-dissipative case, with the purpose of understanding it from a most fundamental point of view.
© (2010) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
G. J. de Valcárcel, F. V. Garcia-Ferrer, R. M. Höppner, I. Pérez-Arjona, C. Navarrete-Benlloch, and E. Roldán "Spontaneous symmetry breaking as a resource for noncritically squeezed light", Proc. SPIE 7727, Quantum Optics, 772704 (15 June 2010);

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